Sanyo PLC-SU20E - Printed Wiring Board Diagrams

A10
(PLC-SU20E/SU22E/SU20B/SU22B)
■ Printed Wiring Board Diagrams
(PLC-SU20E/SU22E/SU20B/SU22B)
Power Board (SIDE:A) Power Board (SIDE:B)
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides (secondary
circuit) at the same time.
2. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit when measuring of volt-
ages and waveforms.
CAUTION
P.F. Board (SIDE:A) P.F. Board (SIDE:B)
Lamp
Ballast
Unit
Interlock
Switch
SW904
Power Board
“K6G”
Power Board
“K6H”
Main Comp-A
Board “K30R”
“K5S”
“K5G”
“K5P”
Main Comp-B Board
SP901
Lens FN902 FN903
Line Filter Board (SIDE:A)
HIC Board (SIDE:A)
P.F. Board “K1”
SW902
(Thernal SW)
AC Cord
Line Filter Board (SIDE:B)
HIC Board (SIDE:B)
HIC Board “K1A”